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2 years ago

Evaluate each numerical expression. 3^4 - (-4)^2

Mathematics

1 answer:

Mama L [17]2 years ago

5 0

Answer:

Step-by-step explanation:

1. Write the expression.

$3^{4} -(-4)^{2}$

2. Expand the expression.

$3x3x3x3 -[(-4)x(-4)]$

3. Simplify.

$81 -[16]\\\\65.$

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Which is the equation of the given line? (-10,-7) (3,-7)

Vladimir [108]

Answer: $y=-7$

Step-by-step explanation:

The equation of the line in Slope-intercept form is:

$y=mx+b$

Where "m" is the slope of the line and "b" is the y-intercept.

Find the slope with this formula:

$m=\frac{y_2-y_1}{x_2-x_1}$

Given the points (-10,-7) (3,-7), substitute values into the formula. Then:

$m=\frac{-7-(-7)}{-10-3}\\\\m=\frac{0}{-13}\\\\m=0$

Substitute the slope and any point into $y=mx+b$ and solve for "b":

$-7=0x+b\\b=-7$

Then, substituting "m" and "b" into the equation $y=mx+b$ , you get that the equation of this line is:

$y=0x-7$

$y=-7$

4 0

3 years ago

Find the value of x.

dusya [7]

in this problem x equals 10

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Re-arrange this polynomial so it’s terms are in order from highest to lowest. 4x to the 5th power + 2x to the 3rd power - 15 - 7

Whitepunk [10]

Answer:

$4x^5+2x^3-7x^2-15$

Step-by-step explanation:

Look at the degrees of each term.

$4x^5=5 \\ \\ 2x^3=3 \\ \\ -7x^2 = 2 \\ \\ -15=1$

Rearrange them from greatest to least.

$4x^5+2x^3-7x^2-15$

5 0

3 years ago

Which is a quadratic function

eimsori [14]

Answer:

im sorry but i think it is 4

Step-by-step explanation:

5 0

3 years ago

Last year, a beauty magazine had a total of 2,650 subscribers. This year, after its parent company made some changes, it had 3,2

lilavasa [31]

Answer:

22%

Step-by-step explanation:

Divide 2,650 by 100:

2,650/100=26.5

Then divide 3233 by the dividend:

122=122%

Now you can see that there is a 22% percent increase over 100%, theefore making our answer 22%.

Have a great day, and mark me brainliest if I am most helpful!

5 0

3 years ago